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BSI PD IEC TR 63176:2019

$142.49

Process analysis technology systems as part of safety instrumented systems

Published By Publication Date Number of Pages
BSI 2019 32
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This document encompasses recommendations for planning, installation and operation (incl. maintenance) of process analyzer technology measuring equipment in process industry safety instrumented systems. It covers all necessary steps for the qualification of safety equipment and supplements the safety management of safety instrumented system equipment through the addition of special requirements for process analyzer technology equipment. This document does not encompass the entire safety management of safety instrumented system equipment.

The term “qualification” used in this recommendation refers exclusively to the testing of the suitability of the process analyzer technology system for use in a safety instrumented system device. It is different from the term “qualification” used in the pharmaceutical environment.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
11 3.2 Abbreviated terms
12 4 Qualification process
4.1 Overview
14 4.2 Recommendation for constructor requirements
Figures
Figure 1 – Qualification process levels for a PAT measuring system
15 4.3 Recommendation for plant operator requirements
16 4.4 Basic testing (analyser only)
4.5 Engineering
4.5.1 General
17 4.5.2 Design data
4.5.3 Analyser including application
4.5.4 Sample conditioning
4.5.5 HFT
18 4.5.6 Failure mode effects and diagnosis analysis of the PAT system (FMEDA)
4.5.7 Estimation of the PFDPAT value
Table 1 – Minimum HFT requirements according to SIL
19 4.5.8 Proven performance – from case to case following prior in-service testing of the PAT system
4.5.9 Safety logic in the PAT system
20 4.5.10 Sample switching
4.5.11 Compilation of a plan for periodic inspections during the runtime
4.6 Commissioning of the safety system
4.7 Documentation of the qualification process
21 5 Regular operation
5.1 General
5.2 Periodic testing during runtime
5.3 Documents and records in operation
5.3.1 General
5.3.2 Maintenance schedule
5.3.3 Working instructions
5.3.4 Record of work realised
22 5.3.5 Fault data recording
5.4 Evaluation of fault data and handling of deviations
5.5 Modifications
5.5.1 Modifications to the PAT system
5.5.2 Modifications of the process engineering process
23 5.6 Decommissioning and recommissioning
5.6.1 Decommissioning
5.6.2 Recommissioning
5.7 Grandfathering
24 Annex A (informative)Basic testing of analysers
26 Figure A.1 – Basic testing process for analysers in SIS
27 Annex B (informative)FMEDA – documentation of safety assessment (example)
Figure B.1 – FMEDA – documentation of safety assessment (example)
28 Annex C (informative)PFD – numerical time-discrete determination
31 Bibliography
BSI PD IEC TR 63176:2019
$142.49